Sr Java Application Developer for Enterprise Data Analytics Platform

5+ years of Experience designing, building and testing Java EE applications  

Experience designing, implementing, and integrating Spring and/or Spring Boot 

Good knowledge in recent version of Java, Oracle, JBoss, Hibernate  

Experience in working with Messaging systems like Apache Kafka  

Developing low level designs based on HLD  

Reviewing code to check coding standards and best practices to ensure quality.  

Hands on knowledge in Unit testing Framework like Junit and good understanding on Exception Handling in Java  

Good Knowledge in UI like React or Angular  

Experience designing SOAP / RESTful web services  

Working on bug fixing and improving application performance  

Familiarity with build tools such as Maven and Gradle.  

Familiar with various design and architectural patterns  

Familiarity with continuous integration

What are we looking for:

● Good problem solving skills.

● Strong knowledge of CS fundamentals, data structures.

● Experience working in software development with one or more of the following programming languages: Java, Go, Scala, Python, C/C++.

● Strong understanding of relational and non-relational databases (MySql, Postgresql, MongoDB, Cassandra).

● Experience in working with distributed caching (Memcached, Redis, or comparable technology).

Experience in working with distributed messaging technologies like RabbitMQ, Kafka etc.

● Ability to design and implement low latency RESTful services.

● Experience with microservices and web application/services development. 

Minimum 2 years of experience in the software development, including Project Management and

interactions with customers

• Solid understanding of the full software development life cycle

• Working Experience of

a) Ubuntu 18.04.4 LTS

b) Java 1.8

c) Tomcat 9

d) Spring boot framework 2.2.2. RELEASE

e) Spring OAuth2 2.4.0. RELEASE

f) Spring Security JWT 1.1.0.RELEASE

g) Spring Log4j2

h) Hibernate 3.13.3

i) Nginx 1.14.0

j) Hikari Connection Pool

k) Mariaj Connector

l) Google Recaptcha

m) Redis client 3.3.0

Qualification

• Proficiency in Java, with a good understanding of its ecosystems
• Sound knowledge of https://www.simplilearn.com/tutorials/java-tutorial/oops-interview-questions" target="_blank">Object-Oriented Programming (OOP) Patterns and Concepts
• Familiarity with different design and architectural patterns
• Skill for writing reusable Java libraries 
• Knowhow of Java concurrency patterns
• Basic Understanding of the concepts of MVC (Model-View-Controller) Pattern, JDBC (Java Database Connectivity), and RESTful web services
• Experience in working with popular web application frameworks like Play and Spark
• Relevant Knowledge of Java GUI frameworks like Swing, SWT, AWT according to project requirements
• Ability to write clean, readable Java code
• Basic knowhow of class loading mechanism in Java
• Experience in handling external and embedded databases
• Understanding basic design principles behind a scalable application
• Skilled at creating database schemas that characterize and support business processes
• Basic knowledge of https://www.simplilearn.com/jvm-and-the-implications-of-sandbox-model-rar41-article" target="_blank">JVM (Java Virtual Machine), its drawbacks, weaknesses, and workarounds
• Implementing automated testing platforms and unit tests 
• In-depth knowledge of code versioning tools, for instance, Git
• Understanding of building tools like Ant, Maven, Gradle, etc
• Expertise in continuous integration

What you will get:

1. To be a part of the Core-Team 💪
2. A Chunk of ESOPs 🚀
3. Creating High Impact by Solving a Problem at Large (No one in the World has a similar product) 💥
4. High Growth Work Environment ⚙️

What we are looking for:

1. An 'Exceptional Executioner' -> Leader -> Create an Impact & Value 💰
2. Ability to take Ownership of your work
3. Past experience in leading a team

Requirements:

1. Bachelor's degree or higher in Computer Science or in any related engineering discipline.
2. (2-4) years of experience in building scalable web applications.
3. Backend Maverick with proficiency in Java
4. Experience in requirement analysis, failure analysis, API design, distributed
5. Experience with React.js and modern JavaScript libraries and tooling.
6. consistency
7. Deep understanding of the "behind-the-scenes" of HTML rendering, CSS, and Javascript.
8. Ability to troubleshoot complex systems problems, debug, and find root causes.
9. Ability to effectively articulate and drive solutions to meet technical and business challenges
10. Excellent verbal and written communication skills

Looking candidated from service base or service division of any company.
Minimum Qualification​:

• Hands-on working on Java ( {Language understanding - Java 8, Lambdas, Collections, popular frameworks & libraries}, JVM, GC tuning, performance tuning)
• Worked on REST frameworks/libraries like Spring MVC, Spring Boot, Dropwizard, REST Express etc
• Worked on Relational data stores viz. MySQL, Oracle or Postgres
• Worked on Non-relational data stores viz. Cassandra, HBase, Couchbase, MongoDB etc
• Worked on caching infra viz. Redis, Memcached, Aerospike, Riak etc
• Worked on Queueing infra viz. Kafka, RabbitMQ, ActiveMQ etc

We believe that great change begins with individuals who are given the freedom to make a difference, and we champion this in all that we do here at Vamstar. Hence we are urgently looking to hire a senior person to fill in for a Full Stack Engineer

The ideal candidate will be responsible for developing high-quality applications along with designing and implementing testable and highly scalable codes. If you have a gig towards Java, Node, AWS, Javascript and Typescript and have worked extensively in web application development; we are looking for you.

Responsibilities

• Managing team(s)
• Develop quality software and web applications
• Analyze and maintain existing software applications
• Design highly scalable, testable code
• Discover and fix programming bugs

Qualifications

• B.Tech - CS from a Tier 1/2 college
• Minimum 5 years of experience
• Great communication skills

Key Benefits 

• Performance Bonus on a Quarterly basis on performance 
• 25 days paid holidays each year including your accrued leaves, sick leaves, fixated and optional holidays. 
• Flexible working hours 
• Permanent Work from home 
• Yearly virtual cross-tribe pollinations (we have another engineering team in UK, US and Vietnam) 
• Wholesome development experience with MacBook Pro and extra monitor(s) post completion of Probation period/ machine bonuses 
• Regular and transparent appraisals based on performance. 

More about our Team: As an engineering team, we are dedicated, hardworking and always looking to learn and improve our craft. This happens in regular knowledge sharing sessions with both Full Stack and Machine Learning teams, and we are always keen to collaborate when a challenging problem comes up. In our work, we use industry best practices like Github. AWS, Ally, Trello, Slack, TDD, CI/CD and code reviews as part of building every feature. We also continually evaluate new technologies to see if they can help improve our platform.